MNT Fix behat tests

tests/Behat/features/add-link-to-anchor.feature

@@ -17,10 +17,10 @@ So that I can direct users directly to the relevant information
       And I press the "Insert link" HTML field button
       And I click "Anchor on a page" in the ".tox-menu" element
     Then I should see an "form#Form_editorAnchorLink" element
-      And I should see "No Blocks" in the ".treedropdownfield__value-container" element
+      And I should see "No Blocks" in the "#Form_editorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
     When I select "Elemental" in the "#Form_editorAnchorLink_PageID_Holder" tree dropdown
       And I select "element-anchor" in the "#Form_editorAnchorLink_Anchor_Holder" anchor dropdown
-    Then I should see "element-anchor" in the ".anchorselectorfield__value-container" element
+    Then I should see "element-anchor" in the "#Form_editorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
     # Close the dialog now that we're done with it.
     When I click on the "button.close" element
 
@@ -34,10 +34,10 @@ So that I can direct users directly to the relevant information
       And I press the "Insert link" HTML field button
       And I click "Anchor on a page" in the ".tox-menu" element
     Then I should see an "form#Form_editorAnchorLink" element
-      And I should see "Elemental" in the ".treedropdownfield__value-container" element
+      And I should see "Elemental" in the "#Form_editorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
     When I select "No Blocks" in the "#Form_editorAnchorLink_PageID_Holder" tree dropdown
       And I select "normal-anchor" in the "#Form_editorAnchorLink_Anchor_Holder" anchor dropdown
-    Then I should see "normal-anchor" in the ".anchorselectorfield__value-container" element
+    Then I should see "normal-anchor" in the "#Form_editorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
     # Close the dialog now that we're done with it.
     When I click on the "button.close" element
 
@@ -51,8 +51,8 @@ So that I can direct users directly to the relevant information
       And I press the "Insert link" HTML field button
       And I click "Anchor on a page" in the ".tox-menu" element
     Then I should see an "form#Form_editorAnchorLink" element
-      And I should see "Elemental" in the ".treedropdownfield__value-container" element
+      And I should see "Elemental" in the "#Form_editorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
     When I select "another-anchor" in the "#Form_editorAnchorLink_Anchor_Holder" anchor dropdown
-    Then I should see "another-anchor" in the ".anchorselectorfield__value-container" element
+    Then I should see "another-anchor" in the "#Form_editorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
     # Close the dialog now that we're done with it.
     When I click on the "button.close" element